Home / 112,776.96-155,637.76-62,476.16

Finding the Fourth Proportional to 112,776.96, 155,637.76 and 62,476.16

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Solution

The fourth proportional to 112,776.96, 155,637.76 and 62,476.16 is: 86,220.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,776.96 : 155,637.76 = 62,476.16 : x
  2. Step 2: Convert to fraction form
    112,776.96/155,637.76 = 62,476.16/x
  3. Step 3: Cross multiply
    112,776.96x = 155,637.76 × 62,476.16
  4. Step 4: Simplify right side
    112,776.96x = 9,723,649,595.80
  5. Step 5: Solve for x
    x = 9,723,649,595.80/112,776.96
  6. Step 6: Final answer
    x = 86,220.18

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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.