Home / 58,660.10-87,988.48-28,258.38

Finding the Fourth Proportional to 58,660.10, 87,988.48 and 28,258.38

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Solution

The fourth proportional to 58,660.10, 87,988.48 and 28,258.38 is: 42,386.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,660.10 : 87,988.48 = 28,258.38 : x
  2. Step 2: Convert to fraction form
    58,660.10/87,988.48 = 28,258.38/x
  3. Step 3: Cross multiply
    58,660.10x = 87,988.48 × 28,258.38
  4. Step 4: Simplify right side
    58,660.10x = 2,486,411,903.46
  5. Step 5: Solve for x
    x = 2,486,411,903.46/58,660.10
  6. Step 6: Final answer
    x = 42,386.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.