Home / 94,303.20-130,140-54,020.48

Finding the Fourth Proportional to 94,303.20, 130,140 and 54,020.48

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Solution

The fourth proportional to 94,303.20, 130,140 and 54,020.48 is: 74,549.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,303.20 : 130,140 = 54,020.48 : x
  2. Step 2: Convert to fraction form
    94,303.20/130,140 = 54,020.48/x
  3. Step 3: Cross multiply
    94,303.20x = 130,140 × 54,020.48
  4. Step 4: Simplify right side
    94,303.20x = 7,030,225,267.20
  5. Step 5: Solve for x
    x = 7,030,225,267.20/94,303.20
  6. Step 6: Final answer
    x = 74,549.17

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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.