Home / 77,341.24-106,751.15-45,520.39

Finding the Fourth Proportional to 77,341.24, 106,751.15 and 45,520.39

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Solution

The fourth proportional to 77,341.24, 106,751.15 and 45,520.39 is: 62,830.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,341.24 : 106,751.15 = 45,520.39 : x
  2. Step 2: Convert to fraction form
    77,341.24/106,751.15 = 45,520.39/x
  3. Step 3: Cross multiply
    77,341.24x = 106,751.15 × 45,520.39
  4. Step 4: Simplify right side
    77,341.24x = 4,859,353,980.95
  5. Step 5: Solve for x
    x = 4,859,353,980.95/77,341.24
  6. Step 6: Final answer
    x = 62,830.05

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1.5x scale

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.