Home / 56,985.81-85,566.50-48,216.35

Finding the Fourth Proportional to 56,985.81, 85,566.50 and 48,216.35

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Solution

The fourth proportional to 56,985.81, 85,566.50 and 48,216.35 is: 72,398.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,985.81 : 85,566.50 = 48,216.35 : x
  2. Step 2: Convert to fraction form
    56,985.81/85,566.50 = 48,216.35/x
  3. Step 3: Cross multiply
    56,985.81x = 85,566.50 × 48,216.35
  4. Step 4: Simplify right side
    56,985.81x = 4,125,703,643.36
  5. Step 5: Solve for x
    x = 4,125,703,643.36/56,985.81
  6. Step 6: Final answer
    x = 72,398.79

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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.