Home / 98,857.16-136,423.02-53,535.22

Finding the Fourth Proportional to 98,857.16, 136,423.02 and 53,535.22

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Solution

The fourth proportional to 98,857.16, 136,423.02 and 53,535.22 is: 73,878.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,857.16 : 136,423.02 = 53,535.22 : x
  2. Step 2: Convert to fraction form
    98,857.16/136,423.02 = 53,535.22/x
  3. Step 3: Cross multiply
    98,857.16x = 136,423.02 × 53,535.22
  4. Step 4: Simplify right side
    98,857.16x = 7,303,436,047.71
  5. Step 5: Solve for x
    x = 7,303,436,047.71/98,857.16
  6. Step 6: Final answer
    x = 73,878.67

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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.