Home / 98,895.48-136,472.13-56,452.20

Finding the Fourth Proportional to 98,895.48, 136,472.13 and 56,452.20

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Solution

The fourth proportional to 98,895.48, 136,472.13 and 56,452.20 is: 77,901.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,895.48 : 136,472.13 = 56,452.20 : x
  2. Step 2: Convert to fraction form
    98,895.48/136,472.13 = 56,452.20/x
  3. Step 3: Cross multiply
    98,895.48x = 136,472.13 × 56,452.20
  4. Step 4: Simplify right side
    98,895.48x = 7,704,151,977.19
  5. Step 5: Solve for x
    x = 7,704,151,977.19/98,895.48
  6. Step 6: Final answer
    x = 77,901.96

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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.