Home / 93,830.60-129,488.10-51,389.13

Finding the Fourth Proportional to 93,830.60, 129,488.10 and 51,389.13

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Solution

The fourth proportional to 93,830.60, 129,488.10 and 51,389.13 is: 70,918.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,830.60 : 129,488.10 = 51,389.13 : x
  2. Step 2: Convert to fraction form
    93,830.60/129,488.10 = 51,389.13/x
  3. Step 3: Cross multiply
    93,830.60x = 129,488.10 × 51,389.13
  4. Step 4: Simplify right side
    93,830.60x = 6,654,280,804.35
  5. Step 5: Solve for x
    x = 6,654,280,804.35/93,830.60
  6. Step 6: Final answer
    x = 70,918.03

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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.