Home / 74,378.04-111,567.10-46,695.48

Finding the Fourth Proportional to 74,378.04, 111,567.10 and 46,695.48

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Solution

The fourth proportional to 74,378.04, 111,567.10 and 46,695.48 is: 70,043.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,378.04 : 111,567.10 = 46,695.48 : x
  2. Step 2: Convert to fraction form
    74,378.04/111,567.10 = 46,695.48/x
  3. Step 3: Cross multiply
    74,378.04x = 111,567.10 × 46,695.48
  4. Step 4: Simplify right side
    74,378.04x = 5,209,679,286.71
  5. Step 5: Solve for x
    x = 5,209,679,286.71/74,378.04
  6. Step 6: Final answer
    x = 70,043.25

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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.