Home / 74,075.67-102,225.24-42,246.45

Finding the Fourth Proportional to 74,075.67, 102,225.24 and 42,246.45

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Solution

The fourth proportional to 74,075.67, 102,225.24 and 42,246.45 is: 58,300.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,075.67 : 102,225.24 = 42,246.45 : x
  2. Step 2: Convert to fraction form
    74,075.67/102,225.24 = 42,246.45/x
  3. Step 3: Cross multiply
    74,075.67x = 102,225.24 × 42,246.45
  4. Step 4: Simplify right side
    74,075.67x = 4,318,653,490.40
  5. Step 5: Solve for x
    x = 4,318,653,490.40/74,075.67
  6. Step 6: Final answer
    x = 58,300.57

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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.