Home / 77,875.04-107,460.25-43,877.93

Finding the Fourth Proportional to 77,875.04, 107,460.25 and 43,877.93

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Solution

The fourth proportional to 77,875.04, 107,460.25 and 43,877.93 is: 60,547.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,875.04 : 107,460.25 = 43,877.93 : x
  2. Step 2: Convert to fraction form
    77,875.04/107,460.25 = 43,877.93/x
  3. Step 3: Cross multiply
    77,875.04x = 107,460.25 × 43,877.93
  4. Step 4: Simplify right side
    77,875.04x = 4,715,132,680.29
  5. Step 5: Solve for x
    x = 4,715,132,680.29/77,875.04
  6. Step 6: Final answer
    x = 60,547.42

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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.