Home / 84,946.40-117,242.28-56,266.40

Finding the Fourth Proportional to 84,946.40, 117,242.28 and 56,266.40

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Solution

The fourth proportional to 84,946.40, 117,242.28 and 56,266.40 is: 77,658.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,946.40 : 117,242.28 = 56,266.40 : x
  2. Step 2: Convert to fraction form
    84,946.40/117,242.28 = 56,266.40/x
  3. Step 3: Cross multiply
    84,946.40x = 117,242.28 × 56,266.40
  4. Step 4: Simplify right side
    84,946.40x = 6,596,801,023.39
  5. Step 5: Solve for x
    x = 6,596,801,023.39/84,946.40
  6. Step 6: Final answer
    x = 77,658.39

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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.