Home / 78,501.50-108,332.08-44,969.66

Finding the Fourth Proportional to 78,501.50, 108,332.08 and 44,969.66

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Solution

The fourth proportional to 78,501.50, 108,332.08 and 44,969.66 is: 62,058.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,501.50 : 108,332.08 = 44,969.66 : x
  2. Step 2: Convert to fraction form
    78,501.50/108,332.08 = 44,969.66/x
  3. Step 3: Cross multiply
    78,501.50x = 108,332.08 × 44,969.66
  4. Step 4: Simplify right side
    78,501.50x = 4,871,656,804.69
  5. Step 5: Solve for x
    x = 4,871,656,804.69/78,501.50
  6. Step 6: Final answer
    x = 62,058.14

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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.