Home / 92,629.02-127,830.45-56,798.40

Finding the Fourth Proportional to 92,629.02, 127,830.45 and 56,798.40

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Solution

The fourth proportional to 92,629.02, 127,830.45 and 56,798.40 is: 78,383.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,629.02 : 127,830.45 = 56,798.40 : x
  2. Step 2: Convert to fraction form
    92,629.02/127,830.45 = 56,798.40/x
  3. Step 3: Cross multiply
    92,629.02x = 127,830.45 × 56,798.40
  4. Step 4: Simplify right side
    92,629.02x = 7,260,565,031.28
  5. Step 5: Solve for x
    x = 7,260,565,031.28/92,629.02
  6. Step 6: Final answer
    x = 78,383.27

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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.