Home / 56,090.34-77,406.30-30,598.74

Finding the Fourth Proportional to 56,090.34, 77,406.30 and 30,598.74

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Solution

The fourth proportional to 56,090.34, 77,406.30 and 30,598.74 is: 42,227.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,090.34 : 77,406.30 = 30,598.74 : x
  2. Step 2: Convert to fraction form
    56,090.34/77,406.30 = 30,598.74/x
  3. Step 3: Cross multiply
    56,090.34x = 77,406.30 × 30,598.74
  4. Step 4: Simplify right side
    56,090.34x = 2,368,535,248.06
  5. Step 5: Solve for x
    x = 2,368,535,248.06/56,090.34
  6. Step 6: Final answer
    x = 42,227.15

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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.