Home / 77,225.70-106,572.60-47,012.31

Finding the Fourth Proportional to 77,225.70, 106,572.60 and 47,012.31

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Solution

The fourth proportional to 77,225.70, 106,572.60 and 47,012.31 is: 64,877.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,225.70 : 106,572.60 = 47,012.31 : x
  2. Step 2: Convert to fraction form
    77,225.70/106,572.60 = 47,012.31/x
  3. Step 3: Cross multiply
    77,225.70x = 106,572.60 × 47,012.31
  4. Step 4: Simplify right side
    77,225.70x = 5,010,224,108.71
  5. Step 5: Solve for x
    x = 5,010,224,108.71/77,225.70
  6. Step 6: Final answer
    x = 64,877.68

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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.