Home / 115,030.02-172,545.03-52,700.52

Finding the Fourth Proportional to 115,030.02, 172,545.03 and 52,700.52

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Solution

The fourth proportional to 115,030.02, 172,545.03 and 52,700.52 is: 79,050.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,030.02 : 172,545.03 = 52,700.52 : x
  2. Step 2: Convert to fraction form
    115,030.02/172,545.03 = 52,700.52/x
  3. Step 3: Cross multiply
    115,030.02x = 172,545.03 × 52,700.52
  4. Step 4: Simplify right side
    115,030.02x = 9,093,212,804.42
  5. Step 5: Solve for x
    x = 9,093,212,804.42/115,030.02
  6. Step 6: Final answer
    x = 79,050.78

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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.