Home / 77,084.29-106,374.36-46,870.48

Finding the Fourth Proportional to 77,084.29, 106,374.36 and 46,870.48

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Solution

The fourth proportional to 77,084.29, 106,374.36 and 46,870.48 is: 64,680.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,084.29 : 106,374.36 = 46,870.48 : x
  2. Step 2: Convert to fraction form
    77,084.29/106,374.36 = 46,870.48/x
  3. Step 3: Cross multiply
    77,084.29x = 106,374.36 × 46,870.48
  4. Step 4: Simplify right side
    77,084.29x = 4,985,817,312.89
  5. Step 5: Solve for x
    x = 4,985,817,312.89/77,084.29
  6. Step 6: Final answer
    x = 64,680.07

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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.