Home / 83,018.13-124,611.93-60,765.40

Finding the Fourth Proportional to 83,018.13, 124,611.93 and 60,765.40

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Solution

The fourth proportional to 83,018.13, 124,611.93 and 60,765.40 is: 91,210.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,018.13 : 124,611.93 = 60,765.40 : x
  2. Step 2: Convert to fraction form
    83,018.13/124,611.93 = 60,765.40/x
  3. Step 3: Cross multiply
    83,018.13x = 124,611.93 × 60,765.40
  4. Step 4: Simplify right side
    83,018.13x = 7,572,093,771.22
  5. Step 5: Solve for x
    x = 7,572,093,771.22/83,018.13
  6. Step 6: Final answer
    x = 91,210.12

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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.