Home / 145,061.89-217,461.61-51,545.77

Finding the Fourth Proportional to 145,061.89, 217,461.61 and 51,545.77

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Solution

The fourth proportional to 145,061.89, 217,461.61 and 51,545.77 is: 77,272.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,061.89 : 217,461.61 = 51,545.77 : x
  2. Step 2: Convert to fraction form
    145,061.89/217,461.61 = 51,545.77/x
  3. Step 3: Cross multiply
    145,061.89x = 217,461.61 × 51,545.77
  4. Step 4: Simplify right side
    145,061.89x = 11,209,225,653.67
  5. Step 5: Solve for x
    x = 11,209,225,653.67/145,061.89
  6. Step 6: Final answer
    x = 77,272.02

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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.