Home / 46,587.60-69,881.40-42,979.05

Finding the Fourth Proportional to 46,587.60, 69,881.40 and 42,979.05

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Solution

The fourth proportional to 46,587.60, 69,881.40 and 42,979.05 is: 64,468.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,587.60 : 69,881.40 = 42,979.05 : x
  2. Step 2: Convert to fraction form
    46,587.60/69,881.40 = 42,979.05/x
  3. Step 3: Cross multiply
    46,587.60x = 69,881.40 × 42,979.05
  4. Step 4: Simplify right side
    46,587.60x = 3,003,436,184.67
  5. Step 5: Solve for x
    x = 3,003,436,184.67/46,587.60
  6. Step 6: Final answer
    x = 64,468.58

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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.