Home / 56,931.48-85,282.98-52,281.06

Finding the Fourth Proportional to 56,931.48, 85,282.98 and 52,281.06

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Solution

The fourth proportional to 56,931.48, 85,282.98 and 52,281.06 is: 78,316.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,931.48 : 85,282.98 = 52,281.06 : x
  2. Step 2: Convert to fraction form
    56,931.48/85,282.98 = 52,281.06/x
  3. Step 3: Cross multiply
    56,931.48x = 85,282.98 × 52,281.06
  4. Step 4: Simplify right side
    56,931.48x = 4,458,684,594.36
  5. Step 5: Solve for x
    x = 4,458,684,594.36/56,931.48
  6. Step 6: Final answer
    x = 78,316.68

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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.