Home / 99,031.16-136,680.47-58,767.13

Finding the Fourth Proportional to 99,031.16, 136,680.47 and 58,767.13

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Solution

The fourth proportional to 99,031.16, 136,680.47 and 58,767.13 is: 81,109.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,031.16 : 136,680.47 = 58,767.13 : x
  2. Step 2: Convert to fraction form
    99,031.16/136,680.47 = 58,767.13/x
  3. Step 3: Cross multiply
    99,031.16x = 136,680.47 × 58,767.13
  4. Step 4: Simplify right side
    99,031.16x = 8,032,317,971.71
  5. Step 5: Solve for x
    x = 8,032,317,971.71/99,031.16
  6. Step 6: Final answer
    x = 81,109.00

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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.