Home / 74,860.58-103,303.20-40,862.32

Finding the Fourth Proportional to 74,860.58, 103,303.20 and 40,862.32

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Solution

The fourth proportional to 74,860.58, 103,303.20 and 40,862.32 is: 56,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,860.58 : 103,303.20 = 40,862.32 : x
  2. Step 2: Convert to fraction form
    74,860.58/103,303.20 = 40,862.32/x
  3. Step 3: Cross multiply
    74,860.58x = 103,303.20 × 40,862.32
  4. Step 4: Simplify right side
    74,860.58x = 4,221,208,415.42
  5. Step 5: Solve for x
    x = 4,221,208,415.42/74,860.58
  6. Step 6: Final answer
    x = 56,387.60

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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.