Home / 77,421.04-106,840.96-43,887.04

Finding the Fourth Proportional to 77,421.04, 106,840.96 and 43,887.04

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Solution

The fourth proportional to 77,421.04, 106,840.96 and 43,887.04 is: 60,564.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,421.04 : 106,840.96 = 43,887.04 : x
  2. Step 2: Convert to fraction form
    77,421.04/106,840.96 = 43,887.04/x
  3. Step 3: Cross multiply
    77,421.04x = 106,840.96 × 43,887.04
  4. Step 4: Simplify right side
    77,421.04x = 4,688,933,485.16
  5. Step 5: Solve for x
    x = 4,688,933,485.16/77,421.04
  6. Step 6: Final answer
    x = 60,564.07

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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.