Home / 77,320.16-116,007.88-47,703.52

Finding the Fourth Proportional to 77,320.16, 116,007.88 and 47,703.52

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Solution

The fourth proportional to 77,320.16, 116,007.88 and 47,703.52 is: 71,572.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,320.16 : 116,007.88 = 47,703.52 : x
  2. Step 2: Convert to fraction form
    77,320.16/116,007.88 = 47,703.52/x
  3. Step 3: Cross multiply
    77,320.16x = 116,007.88 × 47,703.52
  4. Step 4: Simplify right side
    77,320.16x = 5,533,984,223.74
  5. Step 5: Solve for x
    x = 5,533,984,223.74/77,320.16
  6. Step 6: Final answer
    x = 71,572.33

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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.