Home / 77,569.74-107,095.23-53,687.70

Finding the Fourth Proportional to 77,569.74, 107,095.23 and 53,687.70

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Solution

The fourth proportional to 77,569.74, 107,095.23 and 53,687.70 is: 74,122.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,569.74 : 107,095.23 = 53,687.70 : x
  2. Step 2: Convert to fraction form
    77,569.74/107,095.23 = 53,687.70/x
  3. Step 3: Cross multiply
    77,569.74x = 107,095.23 × 53,687.70
  4. Step 4: Simplify right side
    77,569.74x = 5,749,696,579.67
  5. Step 5: Solve for x
    x = 5,749,696,579.67/77,569.74
  6. Step 6: Final answer
    x = 74,122.93

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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.