Home / 105,307.41-145,325.21-59,984.74

Finding the Fourth Proportional to 105,307.41, 145,325.21 and 59,984.74

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Solution

The fourth proportional to 105,307.41, 145,325.21 and 59,984.74 is: 82,779.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,307.41 : 145,325.21 = 59,984.74 : x
  2. Step 2: Convert to fraction form
    105,307.41/145,325.21 = 59,984.74/x
  3. Step 3: Cross multiply
    105,307.41x = 145,325.21 × 59,984.74
  4. Step 4: Simplify right side
    105,307.41x = 8,717,294,930.99
  5. Step 5: Solve for x
    x = 8,717,294,930.99/105,307.41
  6. Step 6: Final answer
    x = 82,779.50

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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.