Home / 127,427.08-175,853.88-70,070.77

Finding the Fourth Proportional to 127,427.08, 175,853.88 and 70,070.77

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Solution

The fourth proportional to 127,427.08, 175,853.88 and 70,070.77 is: 96,700.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,427.08 : 175,853.88 = 70,070.77 : x
  2. Step 2: Convert to fraction form
    127,427.08/175,853.88 = 70,070.77/x
  3. Step 3: Cross multiply
    127,427.08x = 175,853.88 × 70,070.77
  4. Step 4: Simplify right side
    127,427.08x = 12,322,216,779.09
  5. Step 5: Solve for x
    x = 12,322,216,779.09/127,427.08
  6. Step 6: Final answer
    x = 96,700.14

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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.