Home / 55,776.68-83,665.14-39,210.74

Finding the Fourth Proportional to 55,776.68, 83,665.14 and 39,210.74

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Solution

The fourth proportional to 55,776.68, 83,665.14 and 39,210.74 is: 58,816.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,776.68 : 83,665.14 = 39,210.74 : x
  2. Step 2: Convert to fraction form
    55,776.68/83,665.14 = 39,210.74/x
  3. Step 3: Cross multiply
    55,776.68x = 83,665.14 × 39,210.74
  4. Step 4: Simplify right side
    55,776.68x = 3,280,572,051.60
  5. Step 5: Solve for x
    x = 3,280,572,051.60/55,776.68
  6. Step 6: Final answer
    x = 58,816.19

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1.5x scale

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.