Home / 125,763.23-173,545.53-72,035.93

Finding the Fourth Proportional to 125,763.23, 173,545.53 and 72,035.93

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Solution

The fourth proportional to 125,763.23, 173,545.53 and 72,035.93 is: 99,405.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,763.23 : 173,545.53 = 72,035.93 : x
  2. Step 2: Convert to fraction form
    125,763.23/173,545.53 = 72,035.93/x
  3. Step 3: Cross multiply
    125,763.23x = 173,545.53 × 72,035.93
  4. Step 4: Simplify right side
    125,763.23x = 12,501,513,650.89
  5. Step 5: Solve for x
    x = 12,501,513,650.89/125,763.23
  6. Step 6: Final answer
    x = 99,405.16

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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.