Home / 98,753.27-136,278.55-53,430.26

Finding the Fourth Proportional to 98,753.27, 136,278.55 and 53,430.26

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Solution

The fourth proportional to 98,753.27, 136,278.55 and 53,430.26 is: 73,733.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,753.27 : 136,278.55 = 53,430.26 : x
  2. Step 2: Convert to fraction form
    98,753.27/136,278.55 = 53,430.26/x
  3. Step 3: Cross multiply
    98,753.27x = 136,278.55 × 53,430.26
  4. Step 4: Simplify right side
    98,753.27x = 7,281,398,389.74
  5. Step 5: Solve for x
    x = 7,281,398,389.74/98,753.27
  6. Step 6: Final answer
    x = 73,733.24

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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.