Home / 112,983.48-155,916.18-61,995.24

Finding the Fourth Proportional to 112,983.48, 155,916.18 and 61,995.24

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Solution

The fourth proportional to 112,983.48, 155,916.18 and 61,995.24 is: 85,552.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,983.48 : 155,916.18 = 61,995.24 : x
  2. Step 2: Convert to fraction form
    112,983.48/155,916.18 = 61,995.24/x
  3. Step 3: Cross multiply
    112,983.48x = 155,916.18 × 61,995.24
  4. Step 4: Simplify right side
    112,983.48x = 9,666,060,998.98
  5. Step 5: Solve for x
    x = 9,666,060,998.98/112,983.48
  6. Step 6: Final answer
    x = 85,552.87

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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.