Home / 79,071.52-109,117.74-43,261.06

Finding the Fourth Proportional to 79,071.52, 109,117.74 and 43,261.06

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Solution

The fourth proportional to 79,071.52, 109,117.74 and 43,261.06 is: 59,699.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,071.52 : 109,117.74 = 43,261.06 : x
  2. Step 2: Convert to fraction form
    79,071.52/109,117.74 = 43,261.06/x
  3. Step 3: Cross multiply
    79,071.52x = 109,117.74 × 43,261.06
  4. Step 4: Simplify right side
    79,071.52x = 4,720,549,097.20
  5. Step 5: Solve for x
    x = 4,720,549,097.20/79,071.52
  6. Step 6: Final answer
    x = 59,699.74

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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.