Home / 70,737.18-106,053.93-60,421.02

Finding the Fourth Proportional to 70,737.18, 106,053.93 and 60,421.02

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Solution

The fourth proportional to 70,737.18, 106,053.93 and 60,421.02 is: 90,587.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,737.18 : 106,053.93 = 60,421.02 : x
  2. Step 2: Convert to fraction form
    70,737.18/106,053.93 = 60,421.02/x
  3. Step 3: Cross multiply
    70,737.18x = 106,053.93 × 60,421.02
  4. Step 4: Simplify right side
    70,737.18x = 6,407,886,625.61
  5. Step 5: Solve for x
    x = 6,407,886,625.61/70,737.18
  6. Step 6: Final answer
    x = 90,587.25

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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.