Home / 105,079.07-145,013.29-59,761.19

Finding the Fourth Proportional to 105,079.07, 145,013.29 and 59,761.19

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Solution

The fourth proportional to 105,079.07, 145,013.29 and 59,761.19 is: 82,472.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,079.07 : 145,013.29 = 59,761.19 : x
  2. Step 2: Convert to fraction form
    105,079.07/145,013.29 = 59,761.19/x
  3. Step 3: Cross multiply
    105,079.07x = 145,013.29 × 59,761.19
  4. Step 4: Simplify right side
    105,079.07x = 8,666,166,989.35
  5. Step 5: Solve for x
    x = 8,666,166,989.35/105,079.07
  6. Step 6: Final answer
    x = 82,472.82

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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.