Home / 112,038.50-154,616.37-61,740.74

Finding the Fourth Proportional to 112,038.50, 154,616.37 and 61,740.74

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Solution

The fourth proportional to 112,038.50, 154,616.37 and 61,740.74 is: 85,204.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,038.50 : 154,616.37 = 61,740.74 : x
  2. Step 2: Convert to fraction form
    112,038.50/154,616.37 = 61,740.74/x
  3. Step 3: Cross multiply
    112,038.50x = 154,616.37 × 61,740.74
  4. Step 4: Simplify right side
    112,038.50x = 9,546,129,099.91
  5. Step 5: Solve for x
    x = 9,546,129,099.91/112,038.50
  6. Step 6: Final answer
    x = 85,204.01

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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.