Home / 124,038.88-171,178.16-71,057.12

Finding the Fourth Proportional to 124,038.88, 171,178.16 and 71,057.12

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Solution

The fourth proportional to 124,038.88, 171,178.16 and 71,057.12 is: 98,061.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,038.88 : 171,178.16 = 71,057.12 : x
  2. Step 2: Convert to fraction form
    124,038.88/171,178.16 = 71,057.12/x
  3. Step 3: Cross multiply
    124,038.88x = 171,178.16 × 71,057.12
  4. Step 4: Simplify right side
    124,038.88x = 12,163,427,056.50
  5. Step 5: Solve for x
    x = 12,163,427,056.50/124,038.88
  6. Step 6: Final answer
    x = 98,061.41

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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.