Home / 112,038.72-154,612.02-61,053.67

Finding the Fourth Proportional to 112,038.72, 154,612.02 and 61,053.67

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Solution

The fourth proportional to 112,038.72, 154,612.02 and 61,053.67 is: 84,253.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,038.72 : 154,612.02 = 61,053.67 : x
  2. Step 2: Convert to fraction form
    112,038.72/154,612.02 = 61,053.67/x
  3. Step 3: Cross multiply
    112,038.72x = 154,612.02 × 61,053.67
  4. Step 4: Simplify right side
    112,038.72x = 9,439,631,247.11
  5. Step 5: Solve for x
    x = 9,439,631,247.11/112,038.72
  6. Step 6: Final answer
    x = 84,253.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.