Home / 97,084.40-133,907.46-64,802.74

Finding the Fourth Proportional to 97,084.40, 133,907.46 and 64,802.74

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Solution

The fourth proportional to 97,084.40, 133,907.46 and 64,802.74 is: 89,381.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,084.40 : 133,907.46 = 64,802.74 : x
  2. Step 2: Convert to fraction form
    97,084.40/133,907.46 = 64,802.74/x
  3. Step 3: Cross multiply
    97,084.40x = 133,907.46 × 64,802.74
  4. Step 4: Simplify right side
    97,084.40x = 8,677,570,032.27
  5. Step 5: Solve for x
    x = 8,677,570,032.27/97,084.40
  6. Step 6: Final answer
    x = 89,381.72

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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.