Home / 99,875.17-137,791.91-59,030.72

Finding the Fourth Proportional to 99,875.17, 137,791.91 and 59,030.72

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Solution

The fourth proportional to 99,875.17, 137,791.91 and 59,030.72 is: 81,441.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,875.17 : 137,791.91 = 59,030.72 : x
  2. Step 2: Convert to fraction form
    99,875.17/137,791.91 = 59,030.72/x
  3. Step 3: Cross multiply
    99,875.17x = 137,791.91 × 59,030.72
  4. Step 4: Simplify right side
    99,875.17x = 8,133,955,657.48
  5. Step 5: Solve for x
    x = 8,133,955,657.48/99,875.17
  6. Step 6: Final answer
    x = 81,441.22

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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.