Home / 75,089.60-103,623.66-46,795.40

Finding the Fourth Proportional to 75,089.60, 103,623.66 and 46,795.40

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Solution

The fourth proportional to 75,089.60, 103,623.66 and 46,795.40 is: 64,577.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,089.60 : 103,623.66 = 46,795.40 : x
  2. Step 2: Convert to fraction form
    75,089.60/103,623.66 = 46,795.40/x
  3. Step 3: Cross multiply
    75,089.60x = 103,623.66 × 46,795.40
  4. Step 4: Simplify right side
    75,089.60x = 4,849,110,619.16
  5. Step 5: Solve for x
    x = 4,849,110,619.16/75,089.60
  6. Step 6: Final answer
    x = 64,577.66

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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.