Home / 60,900.28-84,040.34-42,777.24

Finding the Fourth Proportional to 60,900.28, 84,040.34 and 42,777.24

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Solution

The fourth proportional to 60,900.28, 84,040.34 and 42,777.24 is: 59,031.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,900.28 : 84,040.34 = 42,777.24 : x
  2. Step 2: Convert to fraction form
    60,900.28/84,040.34 = 42,777.24/x
  3. Step 3: Cross multiply
    60,900.28x = 84,040.34 × 42,777.24
  4. Step 4: Simplify right side
    60,900.28x = 3,595,013,501.19
  5. Step 5: Solve for x
    x = 3,595,013,501.19/60,900.28
  6. Step 6: Final answer
    x = 59,031.15

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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.