Home / 83,041.80-124,562.70-30,444.45

Finding the Fourth Proportional to 83,041.80, 124,562.70 and 30,444.45

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Solution

The fourth proportional to 83,041.80, 124,562.70 and 30,444.45 is: 45,666.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,041.80 : 124,562.70 = 30,444.45 : x
  2. Step 2: Convert to fraction form
    83,041.80/124,562.70 = 30,444.45/x
  3. Step 3: Cross multiply
    83,041.80x = 124,562.70 × 30,444.45
  4. Step 4: Simplify right side
    83,041.80x = 3,792,242,892.02
  5. Step 5: Solve for x
    x = 3,792,242,892.02/83,041.80
  6. Step 6: Final answer
    x = 45,666.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.