Home / 107,030.55-147,646.16-66,181.62

Finding the Fourth Proportional to 107,030.55, 147,646.16 and 66,181.62

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Solution

The fourth proportional to 107,030.55, 147,646.16 and 66,181.62 is: 91,296.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,030.55 : 147,646.16 = 66,181.62 : x
  2. Step 2: Convert to fraction form
    107,030.55/147,646.16 = 66,181.62/x
  3. Step 3: Cross multiply
    107,030.55x = 147,646.16 × 66,181.62
  4. Step 4: Simplify right side
    107,030.55x = 9,771,461,280.76
  5. Step 5: Solve for x
    x = 9,771,461,280.76/107,030.55
  6. Step 6: Final answer
    x = 91,296.00

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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.