Home / 103,466.48-155,117.70-56,719.35

Finding the Fourth Proportional to 103,466.48, 155,117.70 and 56,719.35

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Solution

The fourth proportional to 103,466.48, 155,117.70 and 56,719.35 is: 85,034.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,466.48 : 155,117.70 = 56,719.35 : x
  2. Step 2: Convert to fraction form
    103,466.48/155,117.70 = 56,719.35/x
  3. Step 3: Cross multiply
    103,466.48x = 155,117.70 × 56,719.35
  4. Step 4: Simplify right side
    103,466.48x = 8,798,175,117.50
  5. Step 5: Solve for x
    x = 8,798,175,117.50/103,466.48
  6. Step 6: Final answer
    x = 85,034.07

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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.