Home / 76,263.86-105,208.53-47,985.14

Finding the Fourth Proportional to 76,263.86, 105,208.53 and 47,985.14

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Solution

The fourth proportional to 76,263.86, 105,208.53 and 47,985.14 is: 66,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,263.86 : 105,208.53 = 47,985.14 : x
  2. Step 2: Convert to fraction form
    76,263.86/105,208.53 = 47,985.14/x
  3. Step 3: Cross multiply
    76,263.86x = 105,208.53 × 47,985.14
  4. Step 4: Simplify right side
    76,263.86x = 5,048,446,041.24
  5. Step 5: Solve for x
    x = 5,048,446,041.24/76,263.86
  6. Step 6: Final answer
    x = 66,197.10

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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.