Home / 56,365.60-77,779.28-33,700.20

Finding the Fourth Proportional to 56,365.60, 77,779.28 and 33,700.20

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Solution

The fourth proportional to 56,365.60, 77,779.28 and 33,700.20 is: 46,503.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,365.60 : 77,779.28 = 33,700.20 : x
  2. Step 2: Convert to fraction form
    56,365.60/77,779.28 = 33,700.20/x
  3. Step 3: Cross multiply
    56,365.60x = 77,779.28 × 33,700.20
  4. Step 4: Simplify right side
    56,365.60x = 2,621,177,291.86
  5. Step 5: Solve for x
    x = 2,621,177,291.86/56,365.60
  6. Step 6: Final answer
    x = 46,503.14

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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.