Home / 86,316.96-119,056.02-57,622.14

Finding the Fourth Proportional to 86,316.96, 119,056.02 and 57,622.14

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Solution

The fourth proportional to 86,316.96, 119,056.02 and 57,622.14 is: 79,477.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,316.96 : 119,056.02 = 57,622.14 : x
  2. Step 2: Convert to fraction form
    86,316.96/119,056.02 = 57,622.14/x
  3. Step 3: Cross multiply
    86,316.96x = 119,056.02 × 57,622.14
  4. Step 4: Simplify right side
    86,316.96x = 6,860,262,652.28
  5. Step 5: Solve for x
    x = 6,860,262,652.28/86,316.96
  6. Step 6: Final answer
    x = 79,477.57

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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.