Home / 84,937.95-127,331.60-42,762.87

Finding the Fourth Proportional to 84,937.95, 127,331.60 and 42,762.87

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Solution

The fourth proportional to 84,937.95, 127,331.60 and 42,762.87 is: 64,106.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,937.95 : 127,331.60 = 42,762.87 : x
  2. Step 2: Convert to fraction form
    84,937.95/127,331.60 = 42,762.87/x
  3. Step 3: Cross multiply
    84,937.95x = 127,331.60 × 42,762.87
  4. Step 4: Simplify right side
    84,937.95x = 5,445,064,443.88
  5. Step 5: Solve for x
    x = 5,445,064,443.88/84,937.95
  6. Step 6: Final answer
    x = 64,106.38

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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.