Home / 82,373.36-124,168.98-77,557.17

Finding the Fourth Proportional to 82,373.36, 124,168.98 and 77,557.17

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Solution

The fourth proportional to 82,373.36, 124,168.98 and 77,557.17 is: 116,909.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,373.36 : 124,168.98 = 77,557.17 : x
  2. Step 2: Convert to fraction form
    82,373.36/124,168.98 = 77,557.17/x
  3. Step 3: Cross multiply
    82,373.36x = 124,168.98 × 77,557.17
  4. Step 4: Simplify right side
    82,373.36x = 9,630,194,443.45
  5. Step 5: Solve for x
    x = 9,630,194,443.45/82,373.36
  6. Step 6: Final answer
    x = 116,909.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.