Home / 76,465.02-105,423.75-48,121.50

Finding the Fourth Proportional to 76,465.02, 105,423.75 and 48,121.50

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Solution

The fourth proportional to 76,465.02, 105,423.75 and 48,121.50 is: 66,346.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,465.02 : 105,423.75 = 48,121.50 : x
  2. Step 2: Convert to fraction form
    76,465.02/105,423.75 = 48,121.50/x
  3. Step 3: Cross multiply
    76,465.02x = 105,423.75 × 48,121.50
  4. Step 4: Simplify right side
    76,465.02x = 5,073,148,985.63
  5. Step 5: Solve for x
    x = 5,073,148,985.63/76,465.02
  6. Step 6: Final answer
    x = 66,346.01

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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.