Home / 76,477.02-105,539.67-42,944.22

Finding the Fourth Proportional to 76,477.02, 105,539.67 and 42,944.22

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Solution

The fourth proportional to 76,477.02, 105,539.67 and 42,944.22 is: 59,263.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,477.02 : 105,539.67 = 42,944.22 : x
  2. Step 2: Convert to fraction form
    76,477.02/105,539.67 = 42,944.22/x
  3. Step 3: Cross multiply
    76,477.02x = 105,539.67 × 42,944.22
  4. Step 4: Simplify right side
    76,477.02x = 4,532,318,807.21
  5. Step 5: Solve for x
    x = 4,532,318,807.21/76,477.02
  6. Step 6: Final answer
    x = 59,263.80

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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.