Home / 65,056.54-89,802.80-42,401.05

Finding the Fourth Proportional to 65,056.54, 89,802.80 and 42,401.05

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Solution

The fourth proportional to 65,056.54, 89,802.80 and 42,401.05 is: 58,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,056.54 : 89,802.80 = 42,401.05 : x
  2. Step 2: Convert to fraction form
    65,056.54/89,802.80 = 42,401.05/x
  3. Step 3: Cross multiply
    65,056.54x = 89,802.80 × 42,401.05
  4. Step 4: Simplify right side
    65,056.54x = 3,807,733,012.94
  5. Step 5: Solve for x
    x = 3,807,733,012.94/65,056.54
  6. Step 6: Final answer
    x = 58,529.60

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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.